Timeline for Can Ext over a group ring always be expressed as group cohomology ?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 21, 2012 at 9:10 | vote | accept | Mark Opitz | ||
| Dec 21, 2012 at 0:26 | comment | added | Mark Opitz | Thanks for the reference. (+1) for fishing out the appropriate formula from the mass of formulas in CE. | |
| Dec 21, 2012 at 0:16 | answer | added | Ralph | timeline score: 14 | |
| Dec 20, 2012 at 22:17 | answer | added | Will Sawin | timeline score: 10 | |
| Dec 20, 2012 at 22:10 | comment | added | Mariano Suárez-Álvarez | I think this is either eq. (5) in Chap. XVI, Sect. 4 of Cartan-Eilenberg or you can get what you want by the same method. | |
| Dec 20, 2012 at 21:59 | history | asked | Mark Opitz | CC BY-SA 3.0 |